/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package UserServlets;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import UserManager.*;

/**
 *
 * @author Farley
 */
@WebServlet(name = "st_loginServlet", urlPatterns = {"/st_loginServlet"})
public class st_loginServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        HttpSession session = request.getSession(true);
        try {
            
            String username = request.getParameter("st_loginUsername");
            String password = request.getParameter("st_loginPassword");
            Staff staffData = new Staff();
            staffData.setUsername(username);
            boolean result = new UserManager().st_logIn(username, password);
            new UserManager().viewStaff(staffData);
            Announcement g_Announce = new Announcement();
            g_Announce.setType("Global");
            new UserManager().viewGlobal(g_Announce);
            
            if (result == true){
                    
                    System.out.println(staffData.getStaffType());
                    session.invalidate();
                    session = request.getSession(true);
                    session.setMaxInactiveInterval(600);
                    session.setAttribute("st_loggedType", staffData.getStaffType());
                    session.setAttribute("staffInfo", staffData);
                    session.setAttribute("st_isLogged", "1");
                    session.setAttribute("globalannounce", g_Announce);
                    if("Department Head".equals(staffData.getStaffType()))
                        response.sendRedirect("staff-deptHead.jsp");
                    else if("Secretary".equals(staffData.getStaffType()))
                        response.sendRedirect("staff-secretary.jsp");
                    else
                        response.sendRedirect("staff-regular.jsp");
                    
            }
            else
                    response.sendRedirect("staffloginfailed.jsp");
            
        } finally {            
            out.close();
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
